The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 2015
Filed:
Sep. 13, 2010
Dan L. Dalton, Greeley, CO (US);
Daniel Bloom, Loveland, CO (US);
David Staudacher, Fort Collins, CO (US);
Dan L. Dalton, Greeley, CO (US);
Daniel Bloom, Loveland, CO (US);
David Staudacher, Fort Collins, CO (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
Systems and methods of smile detection are disclosed. An exemplary method comprises generating a search map () for a subset of an image (). The method also comprises identifying a plurality of candidates (-) representing mouth corners. The method also comprises generating parabolas () between each pair of candidates representing mouth corners. The method also comprises analyzing contour of at least one of the parabolas to determine whether the mouth curves substantially upward to form a smile or curves substantially downward to form a frown.